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China Hollow Rock Drilling Steels

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Performance:High fatigue strength and toughness
Resistance:High resistance to wear and permanent distortion
Tolerance:Close tolerances (for automated manufacturing process)
Heat Treatment:A uniform response to heat treatment

  • Hollow Round Drill Steels
  • Rock Drilling Rods Steels

ABOUT HOLLOW DRILL STEELS

Drill steel for the manufacturing of top-hammer rock drill rods, available in four different steel grades. Our hollow drill steel is characterized by a number of properties that enable efficient production.




The Hollow Drill Steels we are supplying for the application of drilling rods below:

Integral drill steels, pilot rods and tapered rods


Extension rods, shank rods and tapered rods


Tapered rods, pilot rods and integral drill steels


Extension rods, shank rods and tapered rods



China Drill Steel Standards


China Drill Steel Standards


China Drill Steel Standards










Drill Steel Standards


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     WhatsApp/Wechat:   +8618537121208
    No. 41, Ping An Rd, CBD, Zhengzhou, Henan Province, 
P.R.China 450000
   Friendly Links:   www.kingrockdrillingtool.com

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